itch-scraper/src/helpers/checkLink.ts

Itch scraper is a scraping tool to get data from itch.io pages.

export type linkType = 'game' | 'author';

const gameRegex = /^https:\/\/[\w-]+\.itch\.io\/[\w-]+\/?$/;
const authorRegex = /^https:\/\/[\w-]+\.itch\.io\/?$/;

/**
 * Check if the given link is valid
 * @param link The link to check
 * @param type The type of link
 */
export const checkLink = (link: string, type: linkType): void => {
  let isValid;

  if (type === 'game') isValid = gameRegex.test(link);
  else if (type === 'author') isValid = authorRegex.test(link);

  if (!isValid) throw new Error('The url or author/game name provided are malformed');
};